Comptia Security Plus Mock Test Q95

Concurrent use of a firewall, content filtering, antivirus software and an IDS system would be considered components of:

A. Redundant systems.
B. Separation of duties.
C. Layered security.
D. Application control.

Correct Answer: C
Section: Network Security

Explanation:
Layered security is the practice of combining multiple mitigating security controls to protect resources and data.

Incorrect Answers:
A: Redundancy is the duplication of critical components or functions of a system with the intention of increasing reliability of the system, usually in the form of a backup or fail-safe.

B: Separation of duties is the division of administrator or privileged tasks into distinct groupings, which are individually assigned to unique administrators. The application of separation
of duties prevents a single user having complete access or power over an entire network, server, or
system.

D: Application control is a device-management solution that limits which applications can be
installed onto a device.

References:
http://en.wikipedia.org/wiki/Layered_security
http://en.wikipedia.org/wiki/Redundancy_(engineering)
Stewart, James Michael, CompTIA Security+ Review Guide, Sybex, Indianapolis, 2014, pp. 82, 272